Home / 85,297.13-127,945.69-29,893.13

Finding the Fourth Proportional to 85,297.13, 127,945.69 and 29,893.13

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Solution

The fourth proportional to 85,297.13, 127,945.69 and 29,893.13 is: 44,839.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,297.13 : 127,945.69 = 29,893.13 : x
  2. Step 2: Convert to fraction form
    85,297.13/127,945.69 = 29,893.13/x
  3. Step 3: Cross multiply
    85,297.13x = 127,945.69 × 29,893.13
  4. Step 4: Simplify right side
    85,297.13x = 3,824,697,144.11
  5. Step 5: Solve for x
    x = 3,824,697,144.11/85,297.13
  6. Step 6: Final answer
    x = 44,839.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.